Tuesday, November 17, 2015

Specimen #20 Volvox

Figure 1. Volvox

Name: Volvox
Common name: Globe algae
Family: Volvoacaceae
Collection date: November 15, 2015
Location: Hiram, OH
Description: Chlorophyte green algae with 2 flagella

Key used: "Identification of Algae in water samples"



Monday, November 16, 2015

Specimen #19 Stereum striatum

Figure 1. Stereum striatum

Name: Stereum striatum
Common name: N/A
Family: Stereaceae
Collection date: September 18, 2015
Habitat: found on tree bark
Location: Hiram, OH
Description: "Fruiting body very thin, leathery and pliant when fresh, annual but persistent; bracket-like to cup-like. Cap 0.3-3cm broad but sometimes fused laterally to form lines10cm or more; flat and circular to fan-shaped in outline. Surface dry to whitish to buff or pale brown, sometimes zoned concentrically when moist; covered wit long, loosely-arranged white hairs. Flesh very thin and tough. Underside smooth, buff to pale brown or in some forms of yellow to yellow-brown. Stalk absent present only as a very small knob."

Key used: Arora, David.(1986). Mushrooms Defined second edition. Ten Speed Press.
Keying steps:
1b) Not as above; Spore-bearing surface not composed of tubes, or if composed of tubes then the tubes forming a united layer, fruiting body fleshy, tough, woody
2b) Fruiting body knob-like, hoof-like, bracket-like, shelf-like, or crust-like; stalk absent, rudimentary, or attached at side or top of cap; growing on wood or roots.
4b) Pore surface exposed; not growing on birch then margin not crust-like
5b) Not as above; pore surface differently colored and/or not separable and elastic-gelatinous
6b) Fruiting body normally with a cap, but sometimes resupinate, especially if growing on the undersides of logs.
7a) Spore bearing surface composed of shallow veins which may form very broad "pores or pits"...Stereaceae & Allies pg. 0604

Crust or Parchment fungi
1b) Not as above
2b) Not as above
4b) Not as above
5b) Not as above
7a) Spore bearing surface smooth to slightly uneven or sometimes cracked
8b) Fruiting body usually found on wood
9b) Not as above
10b) Not as above found on hardwoods and/or fruiting body not "bleeding"
11a) Cap silky-sitrate, thin; found on horn beam in eastern North America

Links:

Specimen #18 Wood Ear Fungus

Figure 1. Auricularia auricula

Name: Auricularia auricula
Common name: Wood Ear
Family: Auriculariales
Collection date: September 18, 2015
Habitat: "Solitary or in groups or clusters on logs, dead branches, stumps, etc.(attached centrally or laterally); very widely distributed on both hardwoods and conifers, and often common in cool weather." 
Location: Hiram, OH
Description: "Fruiting body rubbery to pliant or flabby to somewhat gelatinous when fresh, hard when dry; 2-15cm broad; cup-shaped to ear-shaped or sometimes with several earlobe lobes originating from a central point of attachment. Outer surface sterile, often veined or ribbed, minutely silky silky or with fine downy hairs, pale brown, liver-brown, drying blackish. Inner(fertile) surface smooth to slightly wrinkled, somewhat gelatinous when wet, tan or yellow-brown, grayish-brown, brown, liver-brown, or tinged purple; blackish when dried. Flesh thin, rubbery. Stalk absent or rudimentary."

Key used: Arora, David.(1986). Mushrooms defined second edition. Ten Speed Press.
Keying steps:
1b) Not as above
2b) Not as above
3b) Not as above
4b) Not as above, fruiting body cupcake, earlobe, disclike
6b) Not as above, fruiting body is sometimes slit down one side but not consistently so, and not usually growing erect, sometimes growing on dung.
7b) Fertile surface same shade of brown, black, tan, dingy yellow, or violet, or sometimes with a pinkish or lilac tinge
8b) Flesh rather tough (not breaking easily) and fertile surface dark brown to black ... Sarcosorna & Allies pg. 826

1b) Not as above
2a) Fruiting body shallowly cup-shaped or ear-shaped or like a piece of seaweed, dark brown to reddish brown or purplish but not normally black unless it dries out, 2-10cm broad; flesh thin and rubbery or rubbery-gelatinous; Sterile surface (exterior) minutely hairy; spores borne on basidia...pg. 675 Auricularia auricula

Links:



Specimen #17 Comb Fungus

Figure 1. Hermicium ramosum on rotting wood
Figure 2. Close up above view 

Figure 3. Close up view of the icicles

Name: Hericium ramosum
Common name: Comb Fungus
Family: Hericiaceae
Collection date: September 18, 2015
Habitat: "Solitary or in small groups on fallen hardwood branches, logs, and stumps; widely distributed solid to be most common in North America.
Location: Hiram, OH
Description: Fruting body 3-5cm broad and 6-15cm high when mature, comprised of open frame work of rather delicate base or "trunk," pure white when fresh, discoloring creamy to buff or yellowish-tan in old age. Flesh white spines more or less evenly distributed in lines along the branches (like teeth on a comb), sometimes also in small tufts at the branch tips. Spines rather short, 3-10mm.

Key used: Arora, David.(1986). Mushrooms Defined second edition.Ten Speed Press.
Keying steps:
1b) Not as above, not growing on cones, stalk if present usually thicker
2b) Not as above
3b) Growing on wood
4a) Fruiting body branched framework or unbranched cushion of tissue from which spines are suspended (icicle-like) lacking a distinct cap..Hericium pg. 613= Hericium ramosum

Notes: "Edible and delicious when slow cooked."

Links:




Specimen #16 Wolf's Milk

Figure 1. Lycogala epiderdrum

Name: Lycogala epiderdrum
Common name: Wolf's Milk
Family: Tubiferaceae
Collection date: September 18, 2015
Habitat: Log
Location: Hiram, OH
Description: Round brown, or pink, sac-like structure alone or in groups

Key used: Keller, Harold W. and Brown, Karl L.(1799). Myxomycetes of Ohio: Their systematics, biology, and use in teaching. Ohio Biological Survey.
Keying steps:
1b) Fruiting bodies not as above; spores occurring in a mass within fruiting body and enclosed (at least during the early stages of development) by a perineum
2a) True capillitium absent, pseduocapillitium composed of irregular elements sometimes present...Order Liceales

1a) Fruiting body an aethalium or pseudoaethalium
2a) Pseudocarpillitum present and usually rather evident, but not taking the form of a columella-like structure
3a) Fruiting body an aethalium, pulvinate to subglobose, with no evidence of individual sporangium-like units
4a) Pseudocapillitium consisting of flattened hyaline tubules; spores pallid...Lycogala epidendrum

Links:


Tuesday, November 10, 2015

Specimen #15 Metatrichia vesparium

Figure 1. spore cases

Figure 2. Metatrichia vesparium found on a dead log
Figure 3. Capillitium outside of empty spore cases

Name: Metatrichia vesparium
Common name: none
Family: Trichiaceae
Collection date: September 14, 2015
Habitat: dead log
Location: Hiram, OH
Description: "Groups of sporangia on well-decayed wood. Clustered spore cases on fused stalks; sporangial dehiscence in a different stage, dome-shaped lid still intact and unopened, others partially open with circumscissile dehiscence and tangled masses of capillitial threads, still others with lid removed and spore case empty resembling a wasp's nest

Key used: Keller, Harold W. and Brown, Karl L. (1799). Myxomycetes of Ohio: Their systematics, Biology, and use in Teaching. Ohio Biological Survey.
Keying steps:
1. Not as above
2. True capillitium present
3. Fruiting bodies larger
4. Spore mass more or less brightly colored; capillitium not conspicuously sculptured...Order Trichiales

1b) Fruiting body a stalked or sessile sporangium
2b) Sporangia with a well developed stalk
6a) Sporangia red, maroon or red-brown
7a) Sporangia with a distinct, performed operculum often firmly united into clusters of several to many

Links:





Specimen #14 Cladonia foliacea

Figure 1. Close up of the squamulose lichen

Figure 2. K test with a negative result

Name: Cladonia foliacea
Common name: None
Family: Cladoniaceae
Collection date: September 14, 2015
Location: Hiram, OH
Description: Squaumulose lobes white green to pale green in color.
Key used:  Brode, Irwin M. & Sharnoff, Sylvia D.(2001). Lichens of North America. Yale University Press. New Haven & London.
Keying steps:
Key G. Squamulose Lichens pg. 134
1. Thallus dull or shiny, but not gelatinous when wet 
3. Thallus pale green, gray, brown, olive, or black without yellowish or orange tint
17. Squamules ascending or erect, flat or cylindrical, with the lower surface easily seen
18. Thallus composed of flat, clearly dorsiventral squabbles
20. Squamules not more than 3 times longer than broad, apothecia occurring singly, thallus cortex K-(atranorin absent) relatively common
21. Squamules lobed or finely divided, apothecia raised on a stalk or stipe; thallus cortex C-, KC-(gyrophoric acid absent as main compound) 

Links:







Specimen #13 Veilwort

Figure 1. Leaves of Pallavicinia lyellii

Figure 2. Cell close up

Figure 3. Costa close up

Name: Pallavicinia lyellii
Common name: Veilwort
Family: Pallaviciniaceae
Collection date: September 14, 2015
Habitat: Dead log
Location: Hiram, OH
Description: "Thalli prostate in thin patches, pale green, thalli 2-6cm long and 4-5cm wide with a central strand. On wet banks along streams and in swamps, Minnesota to Newfoundland South to Florida, Alabama, Mississippi, and Luisiana."

Key used: Concard, H.S.(1956). How to Know the Mosses and Liverworts. WMC. Brown Company.
Keying steps:
1b) Plants Thalloid or, if with stems and leaves, the larger leaves in two rows on the stem and a third row of leaves often present on the underside of the stem, never on the upper side. Rhizoids unicellular, sporophyte short lived.
4b) Plants thalloid or leafy with more than one chloroplast per cell
5a) Plant strongly flattened, thalloid, without distinction between stem and leaf.
6a) Plants with a translucent or transparent thallus, internal tissue homogenous; rhizoids all smooth on internal wall; sporophyte with capsule dividing regularly into 4 valves or dehiscing irregularly and retained in a scam-like structure
7b) Thalli ribbon-shapped, not covered on upper surface with pear-shaped sacs; capsules regularly splitting into four lobes, elater present..pg. 238 Metzgeriales

Metzgeriales
1b) Plants thallouse of shallowly lobed
2b) Margins of thallus wavy or even, but not shallowly lobed
3a) Midrib wel defined, bulging like a cord along lower side of plant, rest of thallus only 1 cell thick
4b) Plant 3-4mm wide, often irregularly wavy; sex organs on oppressed along midrib
5a) midrib with a central strand of small, thick-walled cells. 

Links:
http://www.bbsfieldguide.org.uk/sites/default/files/pdfs/liverworts/Pallavicinia_lyellii.pdf
http://hiddenforest.co.nz/bryophytes/liverworts/leafy/pallaviciniaceae/palla01.htm

Specimen #12 Powder Gun Moss

Figure 1. Spore pods

Figure 2. Leaf close up

Name: Diphyscium foliosum
Common name: Powder Gun Moss
Family: Buxbaumiaceae
Collection date: September 14, 2015
Habitat: Found on a moist bank next to a river
Location: Hiram, OH
Description: Spores are in pods that shoot them out when conditions are favorable. Leaves are tongue shaped.

Key used: McKnight, Karl B. and Rohrer, Joseph R. 2013. Common Mosses of the NorthEast and Appalachians. Princeton University Press. New Jersey.
Keying steps:
1b) Leaves arranged in more than two rows and coming out all around stem, wet plants not flat or resembling ferns
6b) Leaves flat or cupped, lacking needle long tip
7a) Plants are ≤1.5cm tall
8b) Leaves with rounded tip capsules 3mm long, shaped like a wheat kernel, stalkless

Links:

Specimen #11 Snakewort

Figure 1. Conocephalum concur found on a rock next to a river 
Figure 2. Chloroplast close up

Figure 3. Air pores

Name: Conocephalum conicum
Common name: Snakewort
Family: Conocephaleaceae
Collection date: September 17, 2015
Habitat: Growing on a moist rock next to the river
Location: Chagrin Falls, Ohio
Description: "Thalli  pale to dark green, up to 20cm long and 1-2cm wide. Dichotomously mostly branching, upper surface with distinct polygonal areas, pores distinct, on moist rocks and soil. Widespread in North America."

Key used: Conard, H.S. (1956). How to Know the Mosses and Liverworts. WM C. Brown Company.
Keying steps:
1b) Plants thalloid or, if with stems and leaves, the larger leaves in two rows on the stem and a third row of leaves often present on the underside of the stem, never on upper side. Rhizoids unicellular, sporophyte short lived.
4b) Plants thalloid or leafy, with more than one chloroplast per cell
5a) Plant strongly flattened, thalloid, without distinction between stem and leaf.
6a) Plants with opaque thallus that is divided into an epidermis, loose tissue beneath the epidermis contacting air spaces, and lower solid, parenchyma-like tissue, rhizoids of two kinds, one with smooth wall and one with peg-like thickenings on inner wall...Order: Marchantiales

Pg. 283 Marchantiales
1a) Air pores visible without lens, each in a polygonal area; capsules borne on the underside of an umbrella-shaped receptacle, with spirally banned elaters among spores, walls of capsules with ring-shaped thickenings
8b) Thalli without gamma and without marginal scales on underside
10a) Air pore on a low mound of colorless cells, antheridia in a warty spot on thallus

Links: